# git rev-parse -q --verify cfb61b5e3e09f8b49bc4d685429df75f45127adc^{commit}
cfb61b5e3e09f8b49bc4d685429df75f45127adc
already have revision, skipping fetch
# git checkout -q -f -B kisskb cfb61b5e3e09f8b49bc4d685429df75f45127adc
# git clean -qxdf
# < git log -1
# commit cfb61b5e3e09f8b49bc4d685429df75f45127adc
# Author: David S. Miller <davem@davemloft.net>
# Date:   Thu Mar 15 14:18:00 2018 -0700
# 
#     sparc64: Fix regression in pmdp_invalidate().
#     
#     pmdp_invalidate() was changed to update the pmd atomically
#     (to not lose dirty/access bits) and return the original pmd
#     value.
#     
#     However, in doing so, we lost a lot of the essential work that
#     set_pmd_at() does, namely to update hugepage mapping counts and
#     queuing up the batched TLB flush entry.
#     
#     Thus we were not flushing entries out of the TLB when making
#     such PMD changes.
#     
#     Fix this by abstracting the accounting work of set_pmd_at() out into a
#     separate function, and call it from pmdp_establish().
#     
#     Fixes: a8e654f01cb7 ("sparc64: update pmdp_invalidate() to return old pmd value")
#     Signed-off-by: David S. Miller <davem@davemloft.net>
# < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-gcc --version
# < git log --format=%s --max-count=1 cfb61b5e3e09f8b49bc4d685429df75f45127adc
# < make -s -j 48 ARCH=powerpc O=/kisskb/build/linus_g5_defconfig_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  g5_defconfig
# make -s -j 48 ARCH=powerpc O=/kisskb/build/linus_g5_defconfig_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-  
/kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl':
/kisskb/src/kernel/printk/printk.c:183:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/kernel/rcu/srcutree.c: In function 'init_srcu_struct_fields':
/kisskb/src/kernel/rcu/srcutree.c:146:32: warning: 'levelspread[<U dc0>]' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/kernel/rcu/srcutree.c:94:6: note: 'levelspread[<U dc0>]' was declared here
/kisskb/src/mm/hugetlb.c: In function 'alloc_pool_huge_page':
/kisskb/src/mm/hugetlb.c:1439:5: warning: 'page' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/kernel/cgroup/cgroup-v1.c: In function 'cgroup1_mount':
/kisskb/src/kernel/cgroup/cgroup-v1.c:1268:20: warning: 'root' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/fs/nfsd/nfs4xdr.c: In function 'nfsd4_encode_components_esc':
/kisskb/src/fs/nfsd/nfs4xdr.c:2043:9: warning: 'str' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/net/tun.c: In function 'tun_get_user':
/kisskb/src/drivers/net/tun.c:1821:30: warning: 'copylen' may be used uninitialized in this function [-Wuninitialized]
/kisskb/src/drivers/net/tun.c:1731:46: warning: 'linear' may be used uninitialized in this function [-Wuninitialized]
Completed OK
# rm -rf /kisskb/build/linus_g5_defconfig_powerpc
# Build took: 0:01:17.644404